PharmaKeep (for pharmaceuticals/medical equipment)

What is

PharmaKeep can protect against oxidative degradation and extend the shelf life of pharmaceuticals. Oxygen and moisture in the packaging degrade pharmaceuticals. PharmaKeep can absorb oxygen and moisture. Putting it in the packaging, it can keep in low oxygen and low humidity. PharmaKeep is the oxygen absorber exclusive for pharmaceutical and medical device.

Note: A hermetically sealed high gas barrier container is required to maintain low oxygen concentration.


  • Absorb both oxygen and moisture, as well as two-in-one configuration
  • Absorb oxygen independently of moisuture
  • No moisture transfer to the applications
  • Registered in DMF


Rate of oxygen absorption

Rate of moisture absorption

  • PharmaKeep KD-20, air volume: 100ml (70%RH), Storage conditions: 25℃/60%RH, Packaging: aluminum laminated bag

*The absorbing rates depend on air volume, temperature, packaging material, application and etc.

Lineup and specification

  • KD: Packet type, absorb oxygen and moisture
  • CD: Canister type, absorb oxygen and moisture

*Canister type is jointly developed with Clariant.


Canister type Packet type
Product name CD KD
CD-1G CD-2.15G KD-10S KD-10 KD-20
Amount of oxygen absorption (ml/piece)*1 10 20 10 10 20
Amount of moisture absorption(g/piece)*2 0.07 0.15 0.07 0.07 0.15
Dimensions (mm) 13.9φ✕17.3 17.9φ×22.5 20×50 26×52 26×62
Quantity 6000pcs/carton 3000pcs/carton 4000pcs/carton
Remark 6 master-bags/carton (1000pcs/bag) 6 master-bags/carton (500pcs/bag) 10 master-bags/carton

*1 25±2℃, air volume 500ml
*2 25±2℃, air volume 75±5%RH

* The specifications may change hereafter.


  • Handling time: Within 3 hours after opening the master bag, under 25℃ and 50%RH
  • Expiration date: 12 months after shipping from our storage (For sachet type)

* Storage temperature: under 25℃.
* Please refer to the"PharmaKeep® Information". Confirm the performance and effect of PharmaKeep by making the tests under the actual packaging conditions.